package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;

public class Demo10 {
    public static void main(String[] args) {
        try {
            Connection connection = DBUtil.getConnection();
            Statement statement = connection.createStatement();
            String sql = "UPDATE user " +
                    "SET password=?,nickname=?,age=? " +
                    "WHERE id=3";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"666666");
            ps.setString(2,"小四");
            ps.setInt(3,30);
            int num = ps.executeUpdate();
            System.out.println(num>0?"修改成功":"修改失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
